90761020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648293}}^1$

素因数の和:648309

約数の個数: 24

約数和(自身を含む): 217826784

約数和(自身を除く): 127065764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648293, 1296586, 2593172, 3241465, 4538051, 6482930, 9076102, 12965860, 18152204, 22690255, 45380510, 90761020]

約数ペア:

[(1, 90761020), (2, 45380510), (4, 22690255), (5, 18152204), (7, 12965860), (10, 9076102), (14, 6482930), (20, 4538051), (28, 3241465), (35, 2593172), (70, 1296586), (140, 648293)]